var vm = new Vue({
	el: '#app',
	data: {
		host: host,
		error_name: false,
		error_password: false,
		error_check_password: false,
		error_phone: false,
		error_allow: false,
		error_sms_code: false,

		username: '',
		password: '',
		password2: '',
		mobile: '',
		sms_code: '',
		allow: false,

		sms_code_tip: '获取短信验证码',
		sending_flag: false, 			// 正在发送短信标志
		error_name_message: '', 		// 用户名错误提示
		error_phone_message: '',		// 手机号错误提示
		error_sms_code_message: '' 		// 短信验证码错误
	},

	methods: {
		check_username: function () {
			let len = this.username.length;
			if (len < 5 || len > 20) {
				this.error_name_message = '请输入5-20个字符的用户名';
				this.error_name = true;
			} else {
				this.error_name = false;
			}
			// 检查重名
			axios.get(this.host + '/usernames/' + this.username + '/count/', {
					responseType: 'json'
				})
				.then(response => {
					if(response.data.count > 0){
						this.error_name_message = '用户名已存在';
						this.error_name = true;
					}else {
						this.error_name = false;
					}
				})
				.catch(error => {
					console.log(error.response.data);
				})
		},
		check_pwd: function () {
			let len = this.password.length;
			if (len < 8 || len > 20) {
				this.error_password = true;
			} else {
				this.error_password = false;
			}
		},
		check_cpwd: function () {
			if (this.password !== this.password2) {
				this.error_check_password = true;
			} else {
				this.error_check_password = false;
			}
		},
		check_phone: function () {
			let re = /^1[345789]\d{9}$/;
			if (re.test(this.mobile)) {
				this.error_phone = false;
			} else {
				this.error_phone_message = '请输入正确的手机号码';
				this.error_phone = true;
			}
		},
		check_sms_code: function () {
			if (!this.sms_code) {
				this.error_sms_code = true;
			} else {
				this.error_sms_code = false;
			}
		},
		check_allow: function () {
			if (!this.allow) {
				this.error_allow = true;
			} else {
				this.error_allow = false;
			}
		},

		// 发送短信验证码功能
		send_sms_code: function () {
				// 如果显示了短信验证码出错提示, 则隐藏它
				this.error_sms_code = false;
				if (this.sending_flag == true) {
				return;
			}
			alert(this.sending_flag)
			this.sending_flag = true;
			alert(this.sending_flag)
			// 校验参数，保证输入框有数据填写
			this.check_phone();

			if (this.error_phone == true) {
				this.sending_flag = false;
				return;
			}

			// 向后端接口发送请求，让后端发送短信验证码
			axios.get(this.host + '/sms_codes/' + this.mobile + '/', {
					responseType: 'json'
				})
				.then(response => {
					// 表示后端发送短信成功
					// 倒计时60秒，60秒后允许用户再次点击发送短信验证码的按钮
					var num = 60;
					console.log('获取短信验证码成功')
					// 设置一个计时器
					var t = setInterval(() => {
						if (num == 1) {
							// 如果计时器到最后, 清除计时器对象
							clearInterval(t);
							// 将点击获取验证码的按钮展示的文本回复成原始文本
							this.sms_code_tip = '获取短信验证码';
							// 将点击按钮的onclick事件函数恢复回去
							this.sending_flag = false;
						} else {
							num -= 1;
							// 展示倒计时信息
							this.sms_code_tip = num + '秒';
						}
					}, 1000, 60)
				})
				.catch(error => {
					if (error.response.status == 400) {
						// 展示发送短信错误提示
						this.error_sms_code = true;
						this.error_sms_code_message = error.response.data.message;
					} else {
						console.log(error.response.data);
					}
					this.sending_flag = false;
				})
		},

		// 注册
		on_submit: function () {
			this.check_username();
			this.check_pwd();
			this.check_cpwd();
			this.check_phone();
			this.check_sms_code();
			this.check_allow();

			if (this.error_name == false && this.error_password == false && this.error_check_password == false && this.error_phone == false && this.error_sms_code == false && this.error_allow == false) {
				axios.post(this.host + '/users/', {
					username: this.username,
					password: this.password,
					password2: this.password2,
					mobile: this.mobile,
					sms_code: this.sms_code,
					allow:this.allow
				}, {
					responseType: 'json'
				})
				.then(response => {
					 // 记录用户的登录状态
					sessionStorage.clear();
					localStorage.clear();
					localStorage.token = response.data.token;
					localStorage.username = response.data.username;
					localStorage.user_id = response.data.id;
					// 注册成功，进入首页
					location.href = '/index.html'
				})
				.catch(error => {
					if (error.response.status == 400) {
							if ('non_field_errors' in error.response.data) {
								this.error_sms_code_message = error.response.data.non_field_errors[0];
							} else {
								this.error_sms_code_message = '数据有误';
							}
							this.error_sms_code = true;
						} else {
							console.log(error.response.data);
						}
				})
			}
		}
	}
});
